From what i remember, it lets the topsoil regain needed nutrients for the next crop without drying up the field of the needed nutrients
Stratigraphic correlation is a process of matching up strata from various sites through the analysis of physical, chemical and other properties. It is also a study that involves establishing geochronological relationships between areas concerned with geological investigation of many succession. It is carried out by studying the different patterns and location of rocks on the earth so as to understand their relationships and age of the layer.
a supposition or a system of ideas intended to explain something, especially one based on general principles independent of the thing to be explained.
The answer is unsupported claims.
Pseudoscience is not actual science. While science is based in logical reasoning, pseudoscience consists of statements, beliefs, or practices that don't have evidence to support them but they claim to be scientific and factual (some examples: homeopathy, geocentrism, reiki, flat earth theory)